CN114762902A - Replaceable pre-milling cutter convenient to disassemble and assemble - Google Patents
Replaceable pre-milling cutter convenient to disassemble and assemble Download PDFInfo
- Publication number
- CN114762902A CN114762902A CN202110052454.3A CN202110052454A CN114762902A CN 114762902 A CN114762902 A CN 114762902A CN 202110052454 A CN202110052454 A CN 202110052454A CN 114762902 A CN114762902 A CN 114762902A
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- cutter
- groove
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- mounting groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/40—Flutes, i.e. chip conveying grooves
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- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a replaceable pre-milling cutter convenient to disassemble and assemble, which comprises a cutter body, a main disc, a mounting groove, a chip groove and cutter teeth, wherein the cutter body comprises the main disc, an opening, mounting screw holes, a through hole, a limiting groove, the mounting groove and the chip groove; the cutter is mainly formed by combining the cutter body and the cutter teeth, and the cutter body and the cutter teeth are detachable, so that the cutter body is ordered once, only the cutter teeth are purchased for the second time, and the cost is greatly reduced; the blade body can be disassembled, polished and reused at the same purchase price; the single-cutter teeth are damaged, and are disassembled and replaced, so that the use cost of the cutter is reduced; blade standardization of the invention: standardized blade production, fast delivery, convenient logistics, small cutter stock, small occupied space and easy storehouse storage and management.
Description
Technical Field
The invention relates to the technical field of milling cutters, in particular to a replaceable pre-milling cutter convenient to disassemble and assemble.
Background
Milling cutters, which are rotary tools used for milling and having one or more teeth that, in operation, each intermittently cut off the allowance of a workpiece in sequence, are mainly used for machining planes, steps, grooves, formed surfaces, cutting off workpieces, etc. on milling machines, and are of various forms, which are roughly classified into the following categories: cylindrical milling cutters, face milling cutters, end milling cutters, face and face milling cutters, angle milling cutters, saw blade milling cutters, and T-shaped milling cutters.
The existing pre-milling cutter has the defects that:
1. the locking screw of the existing pre-milling cutter is positioned in front of a chip groove, and the screw is easy to be accumulated by powder after being used for a long time and cannot be detached.
2. The existing pre-milling cutter has large cutter tooth size, poor machining quality and service time of cutters and narrow application range.
3. The cutter body of the existing pre-milling cutter is generally made of steel, the dynamic balance grade of the steel cutter body is low, the processing noise is high, the equipment is easy to resonate in the processing process, the spindle bearing is easy to generate high loss, and the power loss of the motor is high.
4. After the existing pre-milling cutter is used for a period of time, the worn pre-milling cutter needs to be replaced integrally, and the replacement cost is high.
5. The blade shape in the milling cutter in advance of current is irregular, and is convenient inadequately to the storage transportation, and we propose a milling cutter in advance of interchangeable formula that makes things convenient for the dismouting for this reason and solve current problem.
Disclosure of Invention
The invention aims to provide a replaceable pre-milling cutter convenient to disassemble and assemble so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a make things convenient for milling cutter in advance of interchangeable formula of dismouting, includes cutter body, master, mounting groove, chip groove and sword tooth, the cutter body includes master, opening, installation screw, through-hole, spacing groove, mounting groove and chip groove, the top and the bottom of master are equipped with the opening, and the open-ended inner wall is equipped with the installation screw of two sets of equidistance, the central position department of master is equipped with the through-hole, and through-hole and opening intercommunication, the inner wall of through-hole is equipped with the spacing groove of two sets of equidistance, a week of master is equipped with the equidistant mounting groove, and a week of master is equipped with the chip groove with the position department that the mounting groove corresponds, the internally mounted of mounting groove has the sword tooth, the sword tooth includes blade bearing, blade main body and screw, the front end of blade bearing is equipped with the blade main body, the screw is installed through helicitic texture in the surface of blade bearing.
Preferably, a clamping block is arranged at the central position of the rear side in the mounting groove, a clamping groove is arranged at the central position of the rear side of the bottom of the blade seat, and the size of the clamping groove corresponds to that of the clamping block.
Preferably, the surface of the blade seat is provided with a first threaded hole, the bottom of the mounting groove is provided with a second threaded hole, and the second threaded hole corresponds to the first threaded hole on the blade seat in position.
Preferably, one end of a chip removal groove at the top edge and the bottom edge of the cutter body is a through hole, and two ends of the chip removal groove at the center of the cutter body are provided with inclined radians.
Preferably, the length of the chip groove is greater than the mounting groove, the mounting groove is located at the central position of the rear side of the chip groove, the mounting groove is communicated with the chip groove, and the depth of the chip groove is greater than the mounting groove.
Preferably, the cutter teeth on the periphery of the cutter body are arranged in a W shape, and the cutter teeth are installed at a certain inclination angle and are arranged in the installation groove.
Preferably, the cutter body is made of 7075 aluminum alloy, the screw is M5 in model, and the blade main body is made of PCD.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the cutter tooth mechanism, the blade seat is positioned at the rear side, and the blade main body is positioned at the front end, so that a screw on the blade seat is positioned at the rear side of the blade main body, and the problem that powder is accumulated at the screw to cause difficulty in disassembly can be effectively prevented.
2. The cutter teeth of the invention have smaller size, ensure more cutter teeth arranged on cutter bodies with the same specification, improve the processing quality and the service time of the cutter, and can be widely applied to efficiently processing shaving boards and density boards without or with various veneering materials, such as melamine veneers, paper veneers, wood veneer veneers and the like.
3. The cutter body is designed as an aluminum alloy cutter body, the weight of the cutter body is only half of that of a steel cutter body, the dynamic balance level is high, the processing noise is reduced, the equipment resonance is reduced, a main shaft bearing is protected, and the power loss of a motor is reduced.
4. The cutter body and the cutter teeth are detachable, so that the cutter body is ordered at one time, only the cutter teeth are purchased at the second time, and the cost is greatly reduced; the blade body can be disassembled, polished and reused at the same purchase price; the single cutter tooth is damaged, and the single cutter tooth is disassembled and replaced, so that the use cost of the cutter is reduced.
5. Blade standardization of the invention: standardized blade production, fast delivery, convenient logistics, small cutter stock, small occupied space and easy storehouse storage and management.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a side sectional view of the present invention;
FIG. 5 is an enlarged schematic view at A of FIG. 4 of the present invention;
FIG. 6 is a bottom view of the cutter head of the present invention;
FIG. 7 is an interior view of the mounting groove of the present invention.
In the figure: 1. a cutter body; 101. a master disk; 102. an opening; 103. mounting a screw hole; 104. a through hole; 105. a limiting groove; 106. mounting grooves; 107. a chip groove; 2. cutter teeth; 201. a blade seat; 202. a blade body; 203. a screw; 3. a first threaded hole; 4. a second threaded hole; 5. a card slot; 6. and (6) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, an embodiment of the present invention is shown: a replaceable pre-milling cutter convenient to disassemble and assemble comprises a cutter body 1, a main disc 101, a mounting groove 106, a chip groove 107 and cutter teeth 2, wherein the cutter body 1 comprises the main disc 101, an opening 102, a mounting screw hole 103, a through hole 104, a limiting groove 105, the mounting groove 106 and the chip groove 107, the top and the bottom of the main disc 101 are provided with the opening 102, two sets of mounting screw holes 103 with equal distance are arranged on the inner wall of the opening 102, a through hole 104 is arranged at the central position of the main disc 101, the through hole 104 is communicated with the opening 102, two groups of limit grooves 105 with equal distance are arranged on the inner wall of the through hole 104, an installation groove 106 with equal distance is arranged on the circumference of the main disc 101, a chip discharge groove 107 is formed in the position, corresponding to the mounting groove 106, of the periphery of the main disc 101, a cutter tooth 2 is mounted inside the mounting groove 106, the cutter tooth 2 comprises a cutter blade seat 201, a cutter blade main body 202 and a screw 203, the cutter blade main body 202 is arranged at the front end of the cutter blade seat 201, and the screw 203 is mounted on the surface of the cutter blade seat 201 through a threaded structure.
Specifically, the opening 102, the mounting screw hole 103, the through hole 104 and the limiting groove 105 on the main disc 101 are mainly used for mounting with external equipment, an external main shaft is inserted into the through hole 104, the clamping strip on the main shaft is clamped into the limiting groove 105 for limiting at the moment, then the fixing ring on the main shaft is clamped into the opening 102, then the bolt on the fixing ring of the main shaft is screwed into the mounting screw hole 103 for fixing and mounting, then the cutter teeth 2 are placed into the mounting groove 106 of one circle of the main disc 101, and then the fixing and mounting are carried out through the screw 203, the size of the cutter teeth 2 is smaller than that of the traditional cutter teeth 2, therefore, the cutter body 1 with the same specification can be ensured to be distributed with more cutter teeth 2, the processing quality and the service time of the cutter are improved, and the cutter can be widely applied to efficiently processing shaving boards and density boards without or with various veneering materials, such as melamine veneering, paper veneering and veneer veneering and the like, and the blade main body 202 in the cutter tooth 2 is produced by standardized blades, the delivery is rapid, the logistics is convenient, the stock of the cutter is small, the occupied space is small, the warehouse storage management is easy, and the blade seat 201 in the cutter tooth 2 is positioned at the rear side, the blade main body 202 is positioned at the front end, therefore, the screw 203 on the blade seat 201 is positioned at the rear side of the blade main body 202, the disassembly difficulty caused by accumulation of powder scraps at the screw 203 can be effectively prevented, meanwhile, the pre-milling cutter is mainly formed by combining the cutter body 1 and the cutter tooth 2, and the cutter body 1 and the cutter tooth 2 are detachable, therefore, the cutter body 1 is ordered for one time, only the cutter tooth 2 needs to be purchased for the second time, the cost is greatly reduced, the same purchase price can be repeatedly used by disassembling and grinding the blade main body 202, the single cutter tooth 2 is damaged, the single cutter tooth 2 is disassembled and replaced, and the use cost of the cutter is reduced.
Further, a clamping block 6 is arranged at the central position of the rear side inside the mounting groove 106, a clamping groove 5 is arranged at the central position of the rear side of the bottom of the blade seat 201, and the size of the clamping groove 5 corresponds to the size of the clamping block 6.
Specifically, when installation sword tooth 2, inside mounting groove 106 was put into to blade bearing 201, then draw-in groove 5 card on the blade bearing 201 is on the fixture block 6 of mounting groove 106 inside to can fix spacing to blade bearing 201, the installation of cooperation screw 203 makes installing inside mounting groove 106 that sword tooth 2 can be firm, the skew can not appear.
Further, the surface of the blade seat 201 is provided with a first threaded hole 3, the bottom of the mounting groove 106 is provided with a second threaded hole 4, and the second threaded hole 4 corresponds to the first threaded hole 3 on the blade seat 201.
Specifically, when the cutter tooth 2 is mounted, the screw 203 is screwed into the first threaded hole 3 and then into the second threaded hole 4 of the mounting groove 106, so that the cutter tooth 2 is fixedly mounted in the mounting groove 106.
Furthermore, one end of the chip groove 107 at the top edge and the bottom edge of the circle of the cutter body 1 is a through hole, and two ends of the chip groove 107 at the center of the circle of the cutter body 1 are provided with inclined radians.
Further, the length of the chip groove 107 is greater than that of the installation groove 106, the installation groove 106 is located at the central position of the rear side of the chip groove 107, the installation groove 106 is communicated with the chip groove 107, and the depth of the chip groove 107 is greater than that of the installation groove 106.
Specifically, when the cutter works, because both ends of the chip grooves 107 in the cutter body 1 have the inclined radians, and the chip grooves 107 at the top edge and the bottom edge of the cutter body 1 are through holes, the powder scraps produced when the cutter body 202 is machined are directly discharged along the inclined radians at both ends of the chip grooves 107, and are located in the chip grooves 107 at the top edge and the bottom edge of the cutter body 1, and the powder scraps are directly extruded from the through holes, so that the phenomenon that the powder scraps at the cutter body 202 are accumulated to influence the machining effect of the cutter body 202 on objects is avoided.
Further, cutter teeth 2 of cutter body 1 a week become W type and arrange, and cutter teeth 2 are certain inclination installation and inside the mounting groove 106.
Specifically, sword tooth 2 arranges with the W type, can arrange more quantity sword tooth 2, can improve cutter processingquality and live time, and sword tooth 2 is the inclination installation more convenient laborsaving to the foreign object processing simultaneously, can lead to the cuttings that produce moreover, makes the cuttings can be quick discharge from chip groove 107.
Further, the cutter body 1 was made of 7075 aluminum alloy, the screw 203 was M5, and the blade body 202 was made of PCD.
Specifically, the aluminum alloy cutter body 1 is designed, the weight is only half of that of the steel cutter body 1, the dynamic balance level is high, the processing noise is reduced, the equipment resonance is reduced, a main shaft bearing is protected, the power loss of a motor is reduced, the hardness of the PCD blade main body 202 is high, and the service life is long.
The working principle is as follows: when the cutter is installed, an external spindle is inserted into the through hole 104, the clamping strip on the spindle is clamped into the limiting groove 105 for limiting, the fixing ring on the spindle is clamped into the opening 102, the bolt on the fixing ring of the spindle is screwed into the installing screw hole 103 for fixing and installing, the cutter teeth 2 are placed into the installing groove 106 of one circle of the main disc 101 and then are fixedly installed through the screws 203, the size of the cutter teeth 2 is smaller than that of the traditional cutter teeth 2, the cutter teeth 2 are arranged in a W shape, therefore, the cutter bodies 1 with the same specification can be distributed with more cutter teeth 2, the processing quality and the using time of the cutter are improved, the cutter can be widely applied to efficiently processing shaving boards and density boards without or with various veneering materials, such as melamine, paper veneering, veneer veneering wood veneer and the like, and the production of standardized blades 202 in the cutter teeth 2 is rapid, the logistics is convenient, the tool stock is small, the occupied space is small, the storehouse storage management is easy, the blade seat 201 in the blade tooth 2 is positioned at the rear side, the blade main body 202 is positioned at the front end, so the screw 203 on the blade seat 201 is positioned at the rear side of the blade main body 202, the difficulty in disassembly caused by accumulation of powder at the screw 203 can be effectively prevented, meanwhile, the pre-milling cutter is mainly formed by combining the cutter body 1 and the blade tooth 2, and the cutter body 1 and the blade tooth 2 are detachable, so the cutter body 1 is ordered once, only the blade tooth 2 is purchased for the second time, the cost is greatly reduced, the same purchase price is realized, the blade main body 202 can be disassembled, ground and repeatedly used, the single blade tooth 2 is damaged, the single blade tooth 2 is disassembled and replaced, the cost for using the tool is reduced, meanwhile, the design of the aluminum alloy 1 has the weight only half of the steel cutter body 1, the dynamic balance level is high, the processing noise is reduced, the equipment resonance is reduced, the main shaft bearing is protected, reduce the power loss of motor, the hardness of the blade main part 202 of PCD material is high, long service life, at the in-process of work, sword tooth 2 is the inclination installation and processes more convenient laborsaving to the foreign object, and can lead to the cuttings that produce, because the chip groove 107 both ends of department have the radian of slope in the cutter body 1, the chip groove 107 of cutter body 1 topside and base department is the opening, consequently, the cuttings of blade main part 202 processing man-hour is direct along the radian of slope at chip groove 107 both ends and is discharged, be located the chip groove 107 that can cutter body 1 topside and base, the cuttings is direct to be extruded from the opening, avoid blade main part 202 department cuttings to pile up and influence blade main part 202 and process the effect to the foreign object.
The invention is not described in detail, but is well known to those skilled in the art.
Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a make things convenient for milling cutter in advance of interchangeable formula of dismouting, includes cutter body (1), main disc (101), mounting groove (106), chip groove (107) and sword tooth (2), its characterized in that: the cutter body (1) comprises a main disc (101), an opening (102), an installation screw hole (103), a through hole (104), a limiting groove (105), an installation groove (106) and a chip groove (107), wherein the opening (102) is arranged at the top and the bottom of the main disc (101), two sets of equidistant installation screw holes (103) are formed in the inner wall of the opening (102), the through hole (104) is formed in the central position of the main disc (101), the through hole (104) is communicated with the opening (102), two sets of equidistant limiting grooves (105) are formed in the inner wall of the through hole (104), the equidistant installation groove (106) is formed in the periphery of the main disc (101), the chip groove (107) is formed in the position, corresponding to the installation groove (106), of the periphery of the main disc (101), the cutter teeth (2) are installed inside the installation groove (106), each cutter tooth (2) comprises a cutter blade seat (201), a cutter blade main body (202) and a screw (203), the front end of the blade seat (201) is provided with a blade main body (202), and the surface of the blade seat (201) is provided with a screw (203) through a thread structure.
2. A replaceable pre-mill cutter for facilitating disassembly and assembly according to claim 1, wherein: a clamping block (6) is arranged at the central position of the rear side in the mounting groove (106), a clamping groove (5) is arranged at the central position of the rear side of the bottom of the blade seat (201), and the size of the clamping groove (5) corresponds to that of the clamping block (6).
3. A replaceable pre-mill cutter for facilitating disassembly and assembly according to claim 1, wherein: the surface of the blade seat (201) is provided with a first threaded hole (3), the bottom of the mounting groove (106) is provided with a second threaded hole (4), and the second threaded hole (4) corresponds to the first threaded hole (3) on the blade seat (201).
4. A replaceable pre-mill cutter for facilitating disassembly and assembly according to claim 1, wherein: the one end of chip groove (107) of cutter body (1) a week topside and base department is the opening, chip groove (107) both ends of cutter body (1) a week central authorities department have the radian of slope.
5. A replaceable pre-mill cutter for facilitating disassembly and assembly according to claim 1, wherein: the length of chip groove (107) is greater than mounting groove (106), and mounting groove (106) are located the central point department of chip groove (107) rear side, and mounting groove (106) and chip groove (107) intercommunication, and the degree of depth of chip groove (107) is greater than mounting groove (106).
6. A replaceable pre-mill cutter for facilitating disassembly and assembly according to claim 1, wherein: the cutter teeth (2) on the periphery of the cutter body (1) are arranged in a W shape, and the cutter teeth (2) are installed at a certain inclination angle and are arranged in the installation groove (106).
7. A replaceable pre-mill cutter for facilitating disassembly and assembly according to claim 1, wherein: the cutter body (1) is made of 7075 aluminum alloy, the screw (203) is made of M5, and the blade main body (202) is made of PCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110052454.3A CN114762902A (en) | 2021-01-15 | 2021-01-15 | Replaceable pre-milling cutter convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110052454.3A CN114762902A (en) | 2021-01-15 | 2021-01-15 | Replaceable pre-milling cutter convenient to disassemble and assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114762902A true CN114762902A (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110052454.3A Pending CN114762902A (en) | 2021-01-15 | 2021-01-15 | Replaceable pre-milling cutter convenient to disassemble and assemble |
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| CN (1) | CN114762902A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2918909A1 (en) * | 2007-07-20 | 2009-01-23 | A O B Soc Par Actions Simplifi | Machining tool e.g. calibrator type milling cutter, for e.g. laminated panel, has front cutting edge carrying insert so that edge extends along upper surface, and rear maintenance edge cooperating with shape of housing to maintain plate |
| CN102292196A (en) * | 2009-01-21 | 2011-12-21 | 莱茨两合公司 | Milling tool and cutting element for a milling tool |
| CN203919261U (en) * | 2014-04-22 | 2014-11-05 | 杭州和源精密工具有限公司 | Detachable blade formula stocking cutter |
| DE202015102496U1 (en) * | 2014-06-05 | 2015-06-05 | Aigner Werkzeuge Gesellschaft M.B.H. | Cutting device for a milling head |
| CN205255214U (en) * | 2015-12-30 | 2016-05-25 | 蓝帜（南京）工具有限公司 | A scrap cutter for processing plate fitment |
| CN106041187A (en) * | 2015-04-01 | 2016-10-26 | 德国莱德曼有限责任及两合公司 | Milling Tool and Cutting Element for Use in a Milling Tool |
| CN208811172U (en) * | 2018-07-31 | 2019-05-03 | 深圳市鑫运祥精密刀具有限公司 | A kind of pre- milling cutter of Disposable toolholder bits aluminium alloy cutter hub |
-
2021
- 2021-01-15 CN CN202110052454.3A patent/CN114762902A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2918909A1 (en) * | 2007-07-20 | 2009-01-23 | A O B Soc Par Actions Simplifi | Machining tool e.g. calibrator type milling cutter, for e.g. laminated panel, has front cutting edge carrying insert so that edge extends along upper surface, and rear maintenance edge cooperating with shape of housing to maintain plate |
| CN102292196A (en) * | 2009-01-21 | 2011-12-21 | 莱茨两合公司 | Milling tool and cutting element for a milling tool |
| CN203919261U (en) * | 2014-04-22 | 2014-11-05 | 杭州和源精密工具有限公司 | Detachable blade formula stocking cutter |
| DE202015102496U1 (en) * | 2014-06-05 | 2015-06-05 | Aigner Werkzeuge Gesellschaft M.B.H. | Cutting device for a milling head |
| CN106041187A (en) * | 2015-04-01 | 2016-10-26 | 德国莱德曼有限责任及两合公司 | Milling Tool and Cutting Element for Use in a Milling Tool |
| CN205255214U (en) * | 2015-12-30 | 2016-05-25 | 蓝帜（南京）工具有限公司 | A scrap cutter for processing plate fitment |
| CN208811172U (en) * | 2018-07-31 | 2019-05-03 | 深圳市鑫运祥精密刀具有限公司 | A kind of pre- milling cutter of Disposable toolholder bits aluminium alloy cutter hub |
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